The problem of the influence of the contents of the sedimentation maps of the Baikal Pulp and Paper Mill on the ecological situation in the Baikal region is considered. Data on the com-position and properties of the contents of the drives are given. The factors threatening Lake Baikal are highlighted. Geographical and seismic characteristics of the locality of the dislocation of objects of environmental danger are given

Variants of modification of technical lignins for the production of drilling reagents in demand in various technological operations during the construction of wells are considered

The variants of using the contents of the sedimentation maps of the Baikal pulp and paper mill in order to improve the ecological situation in the Baikal region are considered. It is shown that sludge-lignin can be used as a raw material to produce a variety of products

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The article analyzes the types of pipe connections with a pipe grid in air-cooling devices. Based on this analysis, it is proposed to change the design of pipe fastening instead of rolling to tightening nuts in ABO-103/1-2 of the sulfuric acid alkylation unit